Home / 3,486.23-5,228.24-1,145.69

Finding the Fourth Proportional to 3,486.23, 5,228.24 and 1,145.69

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Solution

The fourth proportional to 3,486.23, 5,228.24 and 1,145.69 is: 1,718.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.23 : 5,228.24 = 1,145.69 : x
  2. Step 2: Convert to fraction form
    3,486.23/5,228.24 = 1,145.69/x
  3. Step 3: Cross multiply
    3,486.23x = 5,228.24 × 1,145.69
  4. Step 4: Simplify right side
    3,486.23x = 5,989,936.56
  5. Step 5: Solve for x
    x = 5,989,936.56/3,486.23
  6. Step 6: Final answer
    x = 1,718.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.